| 摘要 |
FIELD: railway transport. ^ SUBSTANCE: device to change wheelsets of bogie from one gauge to the other contains fixed section of track, auxiliary wheels with riffled rolling surface mating to riffles on high rails of inner auxiliary track, threaded pair of extensible wheel and hub of auxiliary wheel. Threaded pair is made separately from extensible wheel and is connected with wheel by bolts with guaranteed clearance, bolts being fitted in radial slots of union included into threaded joint. Auxiliary wheels are fixed on axle by flexible keys. Brake shoes made for axial displacement are fixed along track by spring - loaded rods held by guides with fine thread. Ski is attached to middle of auxiliary track which brings brake shoes into action by levers. ^ EFFECT: improved reliability of device. ^ 9 dwg |
